[PATCH v3 14/14] arm64: dts: rk3399: Add 'arm, pl330-periph-burst' for dmac

Sugar Zhang sugar.zhang at rock-chips.com
Mon Jun 29 10:12:15 EDT 2020


This patch Add the quirk to specify to use burst transfer
for better compatible and higher performance.

Signed-off-by: Sugar Zhang <sugar.zhang at rock-chips.com>

---

Changes in v3: None
Changes in v2:
- fix FATAL ERROR: Unable to parse input tree

 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 1448f35..599b1e1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -211,6 +211,7 @@
 			#dma-cells = <1>;
 			clocks = <&cru ACLK_DMAC0_PERILP>;
 			clock-names = "apb_pclk";
+			arm,pl330-periph-burst;
 		};
 
 		dmac_peri: dma-controller at ff6e0000 {
@@ -221,6 +222,7 @@
 			#dma-cells = <1>;
 			clocks = <&cru ACLK_DMAC1_PERILP>;
 			clock-names = "apb_pclk";
+			arm,pl330-periph-burst;
 		};
 	};
 
-- 
2.7.4






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